pathogens
What killed Napoleon’s army? Scientists find clues in DNA from fallen soldiers’ teeth
In 1812, hundreds of thousands of men in Napoleon's army perished during their retreat from Russia. Researchers now believe a couple of unexpected pathogens may have helped hasten the soldiers' demise.
Some ant architects design a colony to cut the risk of disease. Humans, take note!
One kind of tiny ant can serve as a monumental example for how to keep members of a community safe from pathogens. A new study shows how they do it.
